Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için Mühendislik Fakültesi listeleme
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Bor Zengini Amorf Malzemeler
Durandurdu, Murat (TUBİTAK, 2020)Bu TÜBİTAK 1001 projesi kapsamında, bor zengini farklı amorf malzemeler [B1-xSix, B1-xCx, B1- xOx, ve B1-xLix (0, 5 ≥ � ≥ 0,05)] ab initio moleküler dinamik tekniği kullanılarak sıvı hallerin hızlıca soğutulması sonucu ... -
Boron-rich amorphous boron oxides from ab initio simulations
Karacaoglan-Çetin , Aysegul Ozlem; Durandurdu, Murat (ELSEVIER, 2023)Amorphous boron oxide (BxO1-x, 0.5 ≤ x ≤ 95) configurations are simulated by means of an ab initio molecular dynamics technique and their microstructure and mechanical properties are revealed in details. With increasing B ... -
Boronic Acid Moiety as Functional Defect in UiO-66 and Its Effect on Hydrogen Uptake Capacity and Selective CO2 Adsorption: A Comparative Study
Erkartal, Mustafa; Sen, Unal (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2018)Herein, we use linker fragmentation approach to introduce boronic acid moieties as functional defects into Zr-based metal organic frameworks (MOFs, UiO-66). Our findings show that the amount of permanently incorporated ... -
Broadband Low Reflection Surfaces with Silicon Nano-pillar Square Arrays for Energy Harvesting
Tut, Turgut (İstanbul Teknik Üniversitesi, 2022)In this work, optimization of the nanopillar arrays and thin films coated on silicon substrate has been investigated in order to minimize the optical reflection loss from the silicon substrate surface. Nano-pillars’ ... -
Broadband Low Reflection Surfaces with Silicon Nanopillar Hexagonal Arrays for Energy Harvesting in Photovoltaics
Tut, Turgut (SPRINGER, 2022)In this study, optimization of the silicon nanopillar arrays and thin films coated on silicon substrate has been investigated in order to minimize the optical reflection loss from the silicon substrate surface. Nanopillars’s ... -
BUCKWHEAT STARCH-MYRISTIC ACID COMPLEX FORMATION: EFFECT OF REACTION TEMPERATURE AND MYRISTIC ACID CONCENTRATION ON DIGESTIBILITY PROPERTIES
OSKAYBAŞ EMLEK, Betül; Ozbey, Ayse; Aydemir, Levent Yurdaer; Kahraman, Kevser (Prof. Dr. İbrahim ÇAKIR, 2022)This study aimed to investigate the effect of different reaction conditions on the digestibility properties of buckwheat starch-myristic acid complex samples produced using different myristic acid concentrations and different ... -
Cadmium-Free and Efficient Type-II InP/ZnO/ZnS Quantum Dots and Their Application for LEDs
Eren, Guncem Ozgun; Sadeghi, Sadra; Jalali, Houman Bahmani; Ritter, Maximilian; Han, Mertcan; Baylam, Isinsu; Melikov, Rustamzhon; Onal, Asim; Oz, Fatma; Sahin, Mehmet; Ow-Yang, Cleva W.; Sennaroglu, Alphan; Lechner, Rainer T.; Nizamoglu, Sedat (AMER CHEMICAL SOC1155 16TH ST, NW, WASHINGTON, DC 20036, 2021)It is a generally accepted perspective that type-II nanocrystal quantum dots (QDs) have low quantum yield due to the separation of the electron and hole wavefunctions. Recently, high quantum yield levels were reported for ... -
Cation exchange mediated synthesis of bright Au@ZnTe core-shell nanocrystals
Sadeghi, Sadra; Melikov, Rustamzhon; Sahin, Mehmet; Nizamoglu, Sedat (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 08.01.2021)The synthesis of heterostructured core-shell nanocrystals has attracted significant attention due to their wide range of applications in energy, medicine and environment. To further extend the possible nanostructures, ... -
Cd-free quantum dot pellets for efficient white light generation
Altintas, Yemliha; Talpur, Mohammad Younis; Mutlugun, Evren (OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2017)Semiconductor quantum dots have been on demand for niche optoelectronic applications providing color tenability and possessing high quantum yield and high extinction coefficient. Although the investigation of II-VI have ... -
Centrifugally-spun carbon microfibers and porous carbon microfibers as anode materials for sodium-ion batteries
Dirican, Mahmut; Zhang, Xiangwu (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2016)Natural abundance and low cost of sodium resources bring forward the sodium-ion batteries as a promising alternative to widely-used lithium-ion batteries. However, insufficient energy density and low cycling stability of ... -
Cesium-lead based inorganic perovskite quantum-dots as interfacial layer for highly stable perovskite solar cells with exceeding 21% efficiency
Akin, Seckin; Altintas, Yemliha; Mutlugun, Evren; Sonmezoglu, Savas (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2019)Despite the excellent photovoltaic performances of perovskite solar cells (PSCs), the instability of PSCs under severe environment (e.g. humidity, light-induced, etc.) limits further commercialization of such devices. ... -
Characterization of Local Sorghum (Sorghum bicolor L.) Population Grains in Terms of Nutritional Properties and Evaluation by GT Biplot Approach
Kaplan M.; Kale H.; Kardes Y.M.; Karaman K.; Kahraman K.; Yilmaz M.F.; Temizgul R.; Akar T. (Wiley-VCH Verlag, 2020)This study is conducted to characterize some nutritional attributes and starch properties of 156 Turkish sorghum populations and 4 standard cultivars (Sorghum bicolor L.). Crude protein contents of the populations vary ... -
Characterization of Nickel in Chromite Beneficiation Tailings by Mineral Liberation Analysis and Its Recovery by H2SO4 Leaching Followed by Oxalic Acid Precipitation
Altiner, Mahmut; Ibrahim, Ahmedaljaali Ibrahim Idrees; Kursunoglu, Sait; Top, Soner; Bayat, Oktay (SPRINGER, 2024)This study investigated the recovery of nickel from tailings (0.2% Ni) obtained in a chromite beneficiation plant using H2SO4 leaching followed by oxalic acid precipitation. The tailings were characterized using mineral ... -
Clarification of Apple Juice Using New Generation Nanocomposite Membranes Fabricated with TiO2 and Al2O3 Nanoparticles
Severcan, Solmaz Sebnem; Uzal, Nigmet; Kahraman, Kevser (SPRINGER, ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES, 2020)To enhance anti-fouling properties of polymeric membranes during apple juice clarification, PSF/PEI (20/2 wt%) ultrafiltration (UF) membranes were modified with TiO2 and Al2O3 nanoparticles using the phase inversion method. ... -
Clarification of pomegranate juice using PSF microfiltration membranes fabricated with nano TiO(2)and Al2O3
Severcan, Solmaz Sebnem; Uzal, Nigmet; Kahraman, Kevser (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)Microfiltration (MF) membranes were fabricated using PSF/PEI (17/2 wt%) with TiO(2)and Al(2)O(3)nanoparticles to enhance pomegranate juice clarification performance. The membrane performances were tested using dead-end ... -
Colloidal Aluminum Antimonide Quantum Dots
Jalali, Houman Bahmani; Sadeghi, Sadra; Sahin, Mehmet; Ozturk, Hande; Ow-Yang, Cleva W.; Nizamoglu, Sedat (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)AlSb is a less studied member of the III-V semiconductor family, and herein, we report the colloidal synthesis of AlSb quantum dots (QDs) for the first time. Different sizes of colloidal AlSb QDs (5 to 9 nm) were produced ... -
A combined application of two soft computing algorithms for weathering degree quantification of andesitic rocks
Köken, Ekin; Kadakci Koca, Tümay (ELSEVIER, 2022)Understanding the variations in physical and mechanical behavior of rock materials due to progressive weathering is vital to carry on time and cost-effective engineering projects. Up to date, soft computing algorithms ... -
A COMPARATIVE STUDY ON POWER CALCULATION METHODS FOR CONVEYOR BELTS IN MINING INDUSTRY
Koken, Ekin; Lawal, Abiodun Ismail); Onifade, Moshood; Ozarslan, Ahmet (TAYLOR & FRANCIS LTD2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2021)This paper covers different methods to evaluate the power consumption of several conveyor belt systems (CBSs) used in the Turkish Mining Industry (TMI). Based on each CBS's operational features, the power consumption (P-c, ... -
A comparative study to estimate the mode I fracture toughness of rocks using several soft computing techniques
Köken, Ekin; Kadakçı Koca, Tümay (Mersin Üniversitesi, 2023)Fracture toughness is an important phenomenon to reveal the actual strength of fractured rock materials. It is, therefore, crucial to use the fracture toughness models principally for simulating the performance of fractured ... -
Comparison of secondary crushing operations through cone and horizontal shaft impact crushers
Industrial size reduction processes such as crushing and grinding play vital roles in rock quarrying. The present study states real field data concerning secondary crushing operations through the cone and horizontal shaft ...